IEM :: Monthly Summaries

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00151227) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2006	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.76	0.79
2007	0.95	1.27	0.09	0.16	0.07	0.00	0.87	M	M	M	0.01	0.15
2008	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	M	M	M	0.19
2009	1.12	0.21	1.32	3.46	2.53	2.38	2.20	0.72	0.42	0.59	1.05	1.73
2010	0.69	1.50	0.91	3.40	5.97	1.84	4.01	0.58	0.51	0.34	1.70	0.68
2011	0.00	1.04	0.33	2.15	0.09	0.01	0.01	0.00	0.07	0.08	0.39	0.30
2012	0.00	0.03	0.22	0.00	M	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	0.00
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	M	M	M	M	M	M	M	M	M	M	M
NCEI Climatology	3.26	3.78	4.38	4.48	4.59	4.14	4.16	2.89	3.13	3.27	3.37	4.26

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	1.6	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	1.9	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	5.4	6.4	M	M	M	M	M	M	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	78.17	85.14	86.97	89.72	85.29	71.29	59.20	40.21
2006	50.75	45.47	56.55	72.81	75.95	84.37	87.98	88.60	73.48	64.82	56.56	50.87
2007	45.38	37.75	65.31	66.65	81.46	86.62	86.48	M	M	M	54.81	47.01
2008	40.49	43.70	54.92	65.82	75.16	86.25	84.94	-34.42	M	M	M	45.80
2009	38.77	49.13	58.80	63.33	76.32	88.09	81.70	84.31	78.46	64.50	58.51	42.58
2010	35.11	-17.94	51.09	73.15	77.43	89.74	89.62	91.65	84.07	74.20	58.23	36.18
2011	36.09	47.25	57.08	71.07	76.30	85.44	91.47	88.38	76.84	66.03	58.81	49.23
2012	47.06	50.58	70.97	71.92	82.74	87.77	94.57	88.11	79.09	66.44	54.61	33.21
2013	57.20	47.22	50.20	68.05	76.64	83.96	84.43	85.69	81.56	68.64	52.59	43.65
2014	38.04	39.03	-21.29	-25.01	-25.10	18.29	84.58	87.42	81.33	69.82	48.79	45.75
2015	41.05	36.40	55.73	70.41	79.21	85.90	88.45	84.97	84.33	70.91	61.65	56.43
2016	42.04	48.24	62.91	70.80	74.95	89.09	89.30	88.61	85.75	76.78	61.16	44.38
2017	47.91	57.42	59.60	74.69	78.31	85.68	89.77	85.98	82.58	71.08	57.21	44.63
2018	39.22	53.50	53.95	5.05	-66.55	-14.70	-47.33	-43.49	-18.95	-44.51	-36.77	44.01
2019	38.10	40.65	58.03	71.57	78.80	82.91	M	M	M	M	51.75	52.21
2020	45.32	53.57	60.85	65.75	74.60	86.36	90.28	84.66	60.65	79.23	60.48	47.25
2021	42.90	38.62	62.50	67.90	76.13	86.62	88.20	89.70	83.54	75.03	55.09	58.26
2022	40.06	47.79	61.58	58.52	M	M	M	M	M	M	M	M
2023	M	64.54	60.33	70.75	77.96	84.85	88.46	86.57	84.20	71.37	60.47	51.99
2024	39.67	58.77	63.87	71.43	81.07	87.71	88.75	90.32	84.65	76.65	59.50	49.61
2025	38.01	47.09	53.75	M	M	M	M	M	M	M	M	M
NCEI Climatology	42.52	46.86	57.10	68.20	76.80	84.30	87.20	86.50	81.70	70.31	56.50	46.01

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	56.20	66.95	69.77	71.01	64.81	51.98	38.95	27.18
2006	34.97	28.38	39.22	52.76	55.90	64.96	70.06	70.51	58.86	46.42	39.89	34.33
2007	31.29	22.85	45.28	47.80	60.99	66.03	67.21	M	M	M	38.87	35.06
2008	24.84	28.64	38.77	46.45	55.91	68.34	62.43	-48.07	M	M	M	27.91
2009	22.51	35.86	42.50	45.43	59.13	70.16	65.89	66.49	62.57	51.17	42.51	29.70
2010	22.82	-34.77	33.40	53.20	61.39	71.35	71.90	70.88	61.62	49.48	38.77	25.34
2011	23.33	31.57	40.75	51.48	59.18	68.19	73.56	68.99	59.88	42.61	42.59	35.66
2012	30.02	33.88	50.51	50.78	62.12	64.57	73.23	67.03	59.85	47.70	42.92	32.65
2013	55.83	40.50	33.99	44.09	58.71	66.20	67.40	67.78	62.54	49.77	35.02	28.78
2014	18.33	22.59	-44.46	-41.53	-27.79	6.71	65.34	69.79	59.89	50.11	33.20	34.29
2015	25.54	18.61	37.26	50.84	59.93	67.73	71.01	65.96	62.79	51.12	43.94	41.33
2016	25.35	31.78	44.71	48.90	56.38	68.86	71.10	72.24	63.96	55.20	43.47	29.90
2017	34.26	38.06	40.13	54.01	57.86	65.51	70.80	66.50	61.40	52.21	38.86	28.25
2018	22.32	35.28	37.26	-99.32	-175.63	-64.33	-83.56	-77.29	-70.74	-84.17	-87.84	-64.07
2019	38.05	38.11	40.62	49.26	60.86	64.20	M	M	M	M	37.22	34.91
2020	33.56	36.35	45.06	45.14	55.75	66.51	71.67	67.62	59.45	76.98	43.22	31.03
2021	30.09	25.00	42.93	47.50	54.54	67.56	69.77	70.69	62.10	56.15	34.61	39.49
2022	22.61	28.35	42.31	45.92	M	M	M	M	M	M	M	M
2023	M	54.12	41.18	47.20	57.73	63.38	70.55	68.88	62.60	51.87	39.84	36.24
2024	26.81	36.07	43.15	52.21	62.06	67.41	69.79	68.76	63.98	51.05	45.00	34.76
2025	21.49	30.15	31.70	M	M	M	M	M	M	M	M	M
NCEI Climatology	26.11	29.62	37.20	46.90	56.80	64.70	67.79	66.49	59.00	47.30	36.31	30.59

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	67.19	76.05	78.37	80.36	75.05	61.63	49.08	33.70
2006	42.86	36.92	47.88	62.78	65.92	74.67	79.02	79.56	66.17	55.62	48.23	42.60
2007	38.34	30.30	55.30	57.23	71.23	76.33	76.85	M	M	M	46.84	41.03
2008	32.66	36.17	46.85	56.13	65.53	77.29	73.69	-41.25	M	M	M	36.85
2009	30.64	42.50	50.65	54.38	67.72	79.12	73.80	75.40	70.51	57.83	50.51	36.14
2010	28.97	-26.36	42.24	63.17	69.41	80.55	80.76	81.26	72.84	61.84	48.50	30.76
2011	29.71	39.41	48.92	61.28	67.74	76.82	82.51	78.69	68.36	54.32	50.70	42.44
2012	38.54	42.23	60.74	61.35	72.43	76.17	83.90	77.57	69.47	57.07	48.76	32.93
2013	56.52	43.86	42.09	56.07	67.67	75.08	75.91	76.74	72.05	59.21	43.81	36.22
2014	28.19	30.81	-32.88	-33.27	-26.44	12.50	74.96	78.61	70.61	59.96	41.00	40.02
2015	33.29	27.50	46.49	60.63	69.57	76.81	79.73	75.47	73.56	61.01	52.79	48.88
2016	33.70	40.01	53.81	59.85	65.66	78.97	80.20	80.42	74.86	65.99	52.31	37.14
2017	41.08	47.74	49.86	64.35	68.08	75.60	80.28	76.24	71.99	61.64	48.04	36.44
2018	30.77	44.39	45.61	-47.13	-121.09	-39.51	-65.44	-60.39	-44.84	-64.34	-62.31	-10.03
2019	38.07	39.38	49.32	60.41	69.83	73.56	M	M	M	M	44.49	43.56
2020	39.44	44.96	52.95	55.44	65.17	76.43	80.98	76.14	60.05	78.11	51.85	39.14
2021	36.49	31.81	52.71	57.70	65.34	77.09	78.99	80.20	72.82	65.59	44.85	48.87
2022	31.33	38.07	51.95	52.22	M	M	M	M	M	M	M	M
2023	M	59.33	50.76	58.97	67.84	74.11	79.51	77.72	73.40	61.62	50.16	44.12
2024	33.24	47.42	53.51	61.82	71.57	77.56	79.27	79.54	74.31	63.85	52.25	42.19
2025	29.75	38.62	42.73	M	M	M	M	M	M	M	M	M
NCEI Climatology	34.31	38.24	47.15	57.55	66.80	74.50	77.50	76.50	70.35	58.80	46.40	38.30

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2005	M	M	M	M	M	M	M	M	M	M	M	M
2006	M	M	M	M	M	87.9%	M	M	M	M	M	M
2007	M	M	M	M	M	M	M	M	M	M	M	M
2008	M	M	M	M	M	M	M	M	M	M	M	M
2009	M	M	M	M	M	M	M	M	M	M	M	M
2010	M	M	M	M	M	M	M	M	M	M	M	M
2011	M	M	M	M	M	M	M	M	M	M	M	M
2012	M	M	M	M	48.7%	M	M	M	M	M	M	M
2013	M	M	M	M	M	M	M	M	M	M	M	M
2014	M	M	M	M	M	M	M	M	M	M	M	M
2015	M	M	M	M	M	M	M	M	M	M	M	M
2016	M	M	M	M	M	M	M	M	M	M	M	M
2017	M	M	M	M	M	M	M	M	M	M	M	M
2018	M	M	M	M	M	M	M	M	M	M	M	M
2019	M	M	M	M	M	M	M	M	M	M	M	M
2020	M	M	M	M	M	M	M	M	M	M	M	M
2021	M	M	M	M	M	M	M	M	M	M	M	M
2022	M	M	M	M	M	M	M	M	M	M	M	M
2023	M	M	M	M	M	M	M	M	M	M	M	M
2024	M	M	M	M	M	M	M	M	M	M	M	M
2025	M	55.0%	54.0%	M	M	M	M	M	M	M	M	M